Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Add Yahoo as a preferred source to see more of our stories on Google. Rapid tests are inexpensive, easy to use and give fast results, usually within 10 to 15 minutes. Violeta Stoimenova/E+ via Getty ...

The explosion of omicron cases in the U.S. smack in the middle of the holiday season is forcing Americans to rely more heavily on rapid tests prior to congregating with friends and family. In some ...

Lateral flow tests (LFTs) are widely used across healthcare, food safety and environmental monitoring, providing rapid, on-site results. But challenges with sensitivity, flexibility and usability ...

Facing long lines and shortages of home test kits during the latest surge, people are searching for answers about Covid tests. By Tara Parker-Pope Dani Blum and Nicole Stock Testing is essential to ...

When should you do a lateral flow test and when to take a PCR? As Coronavirus numbers rise in Scotland, you might want to make sure you aren't positive and at risk of passing it on to your loved ones, ...

BOSTON (CBS) - Political leaders like Boston Mayor Michelle Wu and President Joe Biden have encouraged Americans to take advantage of at home rapid antigen COVID-19 tests as an additional way to stay ...

Kristen Haase receives funding from Health Canada and Roche to study rapid testing. Don D. Sin receives funding from Westjet/YVR to evaluate the feasibility of implementing rapid testing at airports.